Origin of GLIRIDAE. New Latin, from Glir-, Glis, type genus + -idae. This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis.Note that some information is displayed differently in the Unabridged.rigin of GLIRIDAE. New Latin, from Glir-, Glis, type genus + -idae. This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis.
knockout mouse(Noun) Any of several forms of mice that have been genetically engineered by inactivating specific genes. Knockout mouse. A knockout mouse is a genetically engineered mouse in which researchers have inactivated, or knocked out, an existing gene by replacing it or disrupting it with an artificial piece of DNA.
There are more than 30 known species of mice. The house mouse is the best known type of mouse and is a popular pet variety. Other mouse species seen in and around the house are the field mouse, the American white-footed mouse and the deer mouse. Mice are usually nocturnal animals.